3622222

Information

• Patent Grant
• 3622222

• References
• Source

• Patent Number

  3,622,222

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  54 years ago

• CPC

  • H04N1/0642 - Scanners capable of scanning the total circumference of a closed cylinder
  • H04N1/0657 - Scanning a transparent surface
  • H04N1/0678 - using a lead-screw or worm

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 250 - Radiant energy
  • 359 - Optical: systems and elements